body{
    color: #FFF;
    font-weight: bold;
    overflow-x: hidden;
}


.login{
    background-color: rgba(84, 90, 90, 0.8);
    width: 400px;
    z-index: 2;
    position: fixed;
    right: -400px;
    top:0;
}
.login li{
    margin: auto auto;
    text-align: center;
    height: 50px;
    width: 50px;
    border-bottom: 1px solid black;
    transition: font-size 0.5s;
}
.login li:hover{
    font-size: 40px;
}
.login-left{
    background-color: rgba(84, 90, 90, 0.3);
    z-index: 2;
    position: fixed;
    top:0;
}


.header{
    height: 60px;
    background-color: #2e3842;
    position:fixed;
    left:0;
    top:0;
    width: 100%;
    z-index: 1;
    position: relative;
}
.header .header-title{

    font-size: 30px;
    letter-spacing: 8px;
    display: inline-block;
    line-height: 60px;
    margin-left: 40px;
}
.header-memu{
    display: inline-block;
    float: right;
    margin-right: 20px;
}
.header-memu span{
    font-size: 20px;
    letter-spacing: 5px;
    color: #FFF;
    line-height: 60px;
}
.header-memu span:after{
    content:"";
    width: 20px;
    height: 20px;
    background: url("../images/bars.svg") right center no-repeat;
    display: inline-block;
    vertical-align: middle;
}
.section1{
    height: 900px;
    background: url("../images/car.jpg") center no-repeat fixed;
    background-size: cover;

}
.section1 .section1-chd{
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}
.section1 .section1-chd .content{
    text-align: center;
}
.section1 .section1-chd p{
    font-size: 30px;
    letter-spacing: 8px;
    line-height: 50px;
}
.section1 .section1-chd button{
    background-color: #ef5e4a;
    width: 150px;
    height: 40px;
    color: #FFF;
    font-size: 16px;
    font-weight: bold;
    letter-spacing: 2px;
    margin-top: 49px;
    border-radius:4px;
}
.section2{
    height: 650px;
    background-color: #21b2a6;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.section2 p{
    font-size: 1.35em;
    line-height: 1.75em;
    font-weight: 800;
    letter-spacing: 0.225em;
    font-family: "Open Sans", Helvetica, sans-serif;
}
.section2 .top:first-child{
    border-bottom: solid 2px #fff;
    border-color: rgba(0, 0, 0, 0.125);
    padding-bottom: 20px;
}
.section2 .middle{
    margin-top: 20px;
}
.section2 .middle p{
    font-size: 18px;
    color: #c7ebe8
}
.section2 .icon-group{
    margin-top: 80px;
    height: 100px;
}
.section2 .icon-group .icon{
    display: inline-block;
    width: 80px;
    height:80px;
    border: solid 2px #fff;
    border-color: rgba(0, 0, 0, 0.125);
    transform: rotate(45deg);
    margin: 20px;
}
.section3{
    height: 540px;
    background-color: #2e3842;
}
.section3 .img{
    float: left;
    width: 50%;
    height: 100%;
    background: url("../images/car1.jpg") center no-repeat;
    background-size: cover;
}
.section4{
    height: 540px;
    background-color: #2e3842;
}